package dao;

import dao.BaseHibernateDAO;
import java.util.Date;
import java.util.Iterator;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.Transaction;
import org.hibernate.criterion.Example;

import bean.AtcLog;
import bean.Status;
import bean.User;

/**
 * A data access object (DAO) providing persistence and search support for
 * Status entities. Transaction control of the save(), update() and delete()
 * operations can directly support Spring container-managed transactions or they
 * can be augmented to handle user-managed Spring transactions. Each of these
 * methods provides additional information for how to configure it for the
 * desired type of transaction control.
 * 
 * @see bean.Status
 * @author MyEclipse Persistence Tools
 */

public class StatusDAO extends BaseHibernateDAO {
	private static final Log log = LogFactory.getLog(StatusDAO.class);
	// property constants
	public static final String STATUS_CONTENT = "statusContent";

	public void save(Status transientInstance) {
		Transaction ts=null;
		log.debug("saving Status instance");
		try {
			ts=getSession().beginTransaction();
			getSession().save(transientInstance);
			log.debug("save successful");
			ts.commit();
		} catch (RuntimeException re) {
			if(ts!=null)ts.rollback();
			log.error("save failed", re);
			throw re;
		}finally{
			closeSession();
		}		
	}
	
	
	public void update(AtcLog transientInstance) {
		Transaction ts=null;
		log.debug("saving User instance");
		try {
			ts=getSession().beginTransaction();
			getSession().update(transientInstance);
			log.debug("save successful");
			ts.commit();
		} catch (RuntimeException re) {
			if(ts!=null)ts.rollback();
			log.error("save failed", re);
			throw re;
		}finally{
			closeSession();
		}
	}

	public void delete(Status persistentInstance) {
		Transaction ts=null;
		log.debug("deleting Status instance");
		try {
			ts=getSession().beginTransaction();
			getSession().delete(persistentInstance);
			log.debug("delete successful");
			ts.commit();
		} catch (RuntimeException re) {
			if(ts!=null)ts.rollback();
			log.error("delete failed", re);
			throw re;
		}finally{
			closeSession();
		}
	}

	public Status findById(java.lang.Integer id) {
		Transaction ts=null;
		Status instance=null;
		log.debug("getting Status instance with id: " + id);
		try {
			ts=getSession().beginTransaction();
			instance = (Status) getSession().get("bean.Status", id);
			ts.commit();
		} catch (RuntimeException re) {
			if(ts!=null)ts.rollback();
			log.error("get failed", re);
			throw re;
		}finally{
			closeSession();
		}
		return instance;
	}

	public List findByExample(Status instance) {
		Transaction ts=null;
		List results=null;
		log.debug("finding Status instance by example");
		try {
			ts=getSession().beginTransaction();
			results = getSession().createCriteria("bean.Status").add(
					Example.create(instance)).list();
			log.debug("find by example successful, result size: "
					+ results.size());
			ts.commit();
		} catch (RuntimeException re) {
			if(ts!=null)ts.rollback();
			log.error("find by example failed", re);
			throw re;
		}finally{
			closeSession();
		}
		return results;
	}

	public List findByProperty(String propertyName, Object value) {
		Transaction ts=null;
		List results=null;
		log.debug("finding Status instance with property: " + propertyName
				+ ", value: " + value);
		try {
			ts=getSession().beginTransaction();
			String queryString = "from Status as model where model."
					+ propertyName + "= ?";
			Query queryObject = getSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			results=queryObject.list();
			ts.commit();
		} catch (RuntimeException re) {
			if(ts!=null)ts.rollback();
			log.error("find by property name failed", re);
			throw re;
		}finally{
			closeSession();
		}
		return results;
	}

	public List findByStatusContent(Object statusContent) {
		return findByProperty(STATUS_CONTENT, statusContent);
	}
	
	public String findRecentByUser(User sessionUser){
		List statusList=findByProperty("user", sessionUser);
		int MaxStatusID=0;
		Status LatestStatus=new Status();
		for (Iterator<Status> it = statusList.iterator(); it.hasNext(); ) {
		    Status s = it.next();  // No downcasting required.
		    if(s.getSId()>MaxStatusID) LatestStatus=s;
		}
		return LatestStatus.getStatusContent();	
	}

	public List findAll() {
		Transaction ts=null;
		List results=null;
		log.debug("finding all Status instances");
		try {
			ts=getSession().beginTransaction();
			String queryString = "from Status";
			Query queryObject = getSession().createQuery(queryString);
			results=queryObject.list();
			ts.commit();
		} catch (RuntimeException re) {
			if(ts!=null)ts.rollback();
			log.error("find all failed", re);
			throw re;
		}finally{
			closeSession();
		}
		return results;
	}

	public Status merge(Status detachedInstance) {
		Transaction ts=null;
		Status result=null;
		log.debug("merging Status instance");
		try {
			ts=getSession().beginTransaction();
			result = (Status) getSession().merge(detachedInstance);
			log.debug("merge successful");
			ts.commit();
		} catch (RuntimeException re) {
			if(ts!=null)ts.rollback();
			log.error("merge failed", re);
			throw re;
		}finally{
			closeSession();
		}
		return result;
	}

	public void attachDirty(Status instance) {
		Transaction ts=null;
		log.debug("attaching dirty Status instance");
		try {
			ts=getSession().beginTransaction();
			getSession().saveOrUpdate(instance);
			log.debug("attach successful");
			ts.commit();
		} catch (RuntimeException re) {
			if(ts!=null)ts.rollback();
			log.error("attach failed", re);
			throw re;
		}finally{
			closeSession();
		}
	}

	public void attachClean(Status instance) {
		Transaction ts=null;
		log.debug("attaching clean Status instance");
		try {
			ts=getSession().beginTransaction();
			getSession().lock(instance, LockMode.NONE);
			log.debug("attach successful");
			ts.commit();
		} catch (RuntimeException re) {
			if(ts!=null)ts.rollback();
			log.error("attach failed", re);
			throw re;
		}finally{
			closeSession();
		}
	}
}